Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 0.92
Milk (kg) -137.00 -0.014 1.92
Fat (kg) 3.64 -0.375 -1.36
Prot (kg) -0.82 -0.441 0.36
Fertility Sub Index 3.57
Calving Interval (days) -1.85 -1.459 2.70
Survival (%) 0.78 1.117 0.87
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 4.06
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) -2.92 -0.432 1.26
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 20.55

* Based on an €80/tonne carbon price